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Opening a Shop in the UK: You May Not Need Planning Permission — It Depends on Use Class
In England, many commercial uses are grouped under a single category known as Class E. This includes offices, retail shops, and most cafés and restaurants where food and drink are consumed on the premises. In practical terms, this means that if you are converting an office into a café or a retail unit, and both fall within Class E, the change may be treated as “not development” in planning terms. As a result, planning permission may not be required. This principle is establis
ArchiKei
May 22 min read


House Extension Timeline: What to Expect (14 Weeks Guide)
When planning an extension, most people focus on cost — but the next biggest question is always:“How long will it take?” I took a bit of time to turn a real construction programme into a clear timeline, so you can better understand the process (See the reference programme here ) For a typical 5m x 4m rear extension, the build duration is usually around 14 weeks. However, construction isn’t a simple linear process — many stages actually overlap.For example, carpentry, plumbing
ArchiKei
Apr 291 min read


Planning Approved — Can I Still Make Changes?
Planning permission finally approved — but after waiting 2 months, you realise you’d like to make a few changes. The drawings are now slightly different from what was approved.Do you need to apply again? Not necessarily. It depends on what changes you want to make. If the changes are minor and non-material, they may be dealt with through aNon-Material Amendment (NMA), rather than submitting a brand-new planning application. What is an NMA? A Non-Material Amendment is used to
ArchiKei
Dec 16, 20252 min read


Is Winter a Bad Time to Build? How UK Extensions Deal with Rain, Cold Weather and Frozen Conditions
When homeowners start planning an extension, many people will advise: “Don’t start during the rainy season, do it in summer — it will be much faster.”But the UK is nothing like Hong Kong — it rains all year round. If builders had to stop every time it rained and wait for everything to dry completely, most UK extensions would never be finished. That’s why many HK families doing their first extension in the UK often worry:“Does work stop when it rains?”“Will wet timber rot?”“Ca
ArchiKei
Dec 7, 20252 min read
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